Week 5 – Arrays && Collisions && GUI

In-class outline

•  Arrays
  • What are they?
    • how are they represented in a machine
  • How to declare them
  • Initialize them (a couple ways)
  • Operating on an array
    • the slow way
    • the fast way with loops
    • example of mouse trails
  • Arrays of objects
    • many squares example
• Interactive objects
  • overlap/hit detection – sliders
  • collision with circles

• Collision detection between shapes in Processing
• Shiffman’s videos on arrays
• code from class